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kichikuou_xsystem35-sdl2/src/gameresource.c
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kichikuou 7b8acd6e05 Use lowercase s[a-z].asd in Android and Emscripten 
To make sure that save files created in older versions can be loaded.
2024-04-11 09:10:39 +09:00

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/*
* gameresource.c Game Resource (*.gr) file
*
* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
* 1998- <masaki-c@is.aist-nara.ac.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include "gameresource.h"
#include "system.h"
static void storeDataName(GameResource *gr, int type, int no, char *src) {
gr->game_fname[type][no] = strdup(src);
gr->cnt[type] = max(no + 1, gr->cnt[type]);
}
static void storeSaveName(GameResource *gr, int no, char *src) {
char *home_dir = "";
char *path = NULL;
if (*src == '~') {
home_dir = getenv("HOME");
if (NULL == (path = malloc(strlen(home_dir) + strlen(src) + 1))) {
NOMEMERR();
}
sprintf(path, "%s%s", home_dir, src+1);
gr->save_fname[no] = strdup(path);
src = path;
} else {
gr->save_fname[no] = strdup(src);
}
if (no == 0) {
char *b = strrchr(src, '/');
if (b) {
*b = '\0';
gr->save_path = strdup(src);
} else {
gr->save_path = ".";
}
}
if (path) free(path);
}
boolean initGameResourceFromDir(GameResource *gr, DIR *dir, const char *savedir, struct dirent *(*p_readdir)(DIR *)) {
memset(gr, 0, sizeof(GameResource));
char *basename = NULL;
bool found_xsleep = false;
struct dirent* d;
while ((d = p_readdir(dir))) {
char *filename = d->d_name;
int len = strlen(filename);
if (strcasecmp(filename, "adisk.ald") == 0) {
storeDataName(gr, DRIFILE_SCO, 0, filename);
} else if (strcasecmp(filename, "System39.ain") == 0) {
gr->ain = strdup(filename);
} else if (strcasecmp(filename, "SACTEFAM.KLD") == 0) {
gr->sact01 = strdup(filename);
} else if (strcasecmp(filename, "System39.ini") == 0) {
gr->init = strdup(filename);
} else if (len >= 4 && strcasecmp(filename + len - 4, ".wai") == 0) {
gr->wai = strdup(filename);
} else if (len >= 4 && strcasecmp(filename + len - 4, ".bgi") == 0) {
gr->bgi = strdup(filename);
} else if (len >= 5 && strcasecmp(filename + len - 4, ".alk") == 0) {
if (!isdigit(filename[len - 5])) continue;
gr->alk[filename[len - 5] - '0'] = strdup(filename);
} else if (len >= 6 && strcasecmp(filename + len - 4, ".ald") == 0) {
int dno = toupper(filename[len - 5]) - 'A';
if (dno < 0 || dno >= DRIFILEMAX) continue;
switch (toupper(filename[len - 6])) {
case 'S':
storeDataName(gr, DRIFILE_SCO, dno, filename);
if (!basename) {
basename = strdup(filename);
basename[len - 5] = '\0';
}
break;
case 'G':
storeDataName(gr, DRIFILE_CG, dno, filename);
break;
case 'W':
storeDataName(gr, DRIFILE_WAVE, dno, filename);
break;
case 'M':
storeDataName(gr, DRIFILE_MIDI, dno, filename);
break;
case 'D':
storeDataName(gr, DRIFILE_DATA, dno, filename);
break;
case 'R':
storeDataName(gr, DRIFILE_RSC, dno, filename);
break;
case 'B':
storeDataName(gr, DRIFILE_BGM, dno, filename);
break;
}
} else if (strcasecmp(filename + 1, "sleep.asd") == 0) {
found_xsleep = true;
}
}
if (basename && (savedir || !found_xsleep)) {
const char *dir = savedir ? savedir : "";
const char *sep = savedir ? "/" : "";
char *buf = malloc(strlen(dir) + strlen(sep) + strlen(basename) + 9);
#if defined(__ANDROID__) || defined(__EMSCRIPTEN__)
// Use lowercase 's[a-z].asd' in Android and Emscripten, for compatibility.
basename[strlen(basename) - 1] = 's';
int a = 'a';
#else
int a = basename[strlen(basename) - 1] == 'S' ? 'A' : 'a';
#endif
for (int i = 0; i < SAVE_MAXNUMBER; i++) {
sprintf(buf, "%s%s%s%c.asd", dir, sep, basename, a + i);
storeSaveName(gr, i, buf);
}
#ifdef __EMSCRIPTEN__
basename[strlen(basename) - 1] = '\0';
sprintf(buf, "%s%s%s.msgskip", dir, sep, basename);
gr->msgskip = buf;
#else
free(buf);
#endif
} else {
for (int i = 0; i < SAVE_MAXNUMBER; i++) {
char buf[] = "asleep.asd";
buf[0] = 'a' + i;
storeSaveName(gr, i, buf);
}
}
free(basename);
return (gr->cnt[DRIFILE_SCO] > 0) ? TRUE : FALSE;
}
static void trimRight(char *str) {
for (char *p = str + strlen(str) - 1; p >= str && isspace(*p); p--)
*p = '\0';
}
static boolean initGameResourceFromFile(GameResource *gr, FILE *fp, const char *gr_fname) {
int linecnt = 0, dno;
char line[256];
char key[256], path[256];
memset(gr, 0, sizeof(GameResource));
while (fgets(line, 255, fp) != NULL) {
linecnt++;
if (line[0] == '#') continue;
path[0] = '\0';
sscanf(line, "%s %[^\n]", key, path);
if (path[0] == '\0') continue;
trimRight(path);
if (0 == strncmp(key, "Scenario", 8)) {
dno = key[8] - 'A';
if (dno < 0 || dno >= DRIFILEMAX) goto errexit;
storeDataName(gr, DRIFILE_SCO, dno, path);
} else if (0 == strncmp(key, "Graphics", 8)) {
dno = key[8] - 'A';
if (dno < 0 || dno >= DRIFILEMAX) goto errexit;
storeDataName(gr, DRIFILE_CG, dno, path);
} else if (0 == strncmp(key, "Wave", 4)) {
dno = key[4] - 'A';
if (dno < 0 || dno >= DRIFILEMAX) goto errexit;
storeDataName(gr, DRIFILE_WAVE, dno, path);
} else if (0 == strncmp(key, "Midi", 4)) {
dno = key[4] - 'A';
if (dno < 0 || dno >= DRIFILEMAX) goto errexit;
storeDataName(gr, DRIFILE_MIDI, dno, path);
} else if (0 == strncmp(key, "Data", 4)) {
dno = key[4] - 'A';
if (dno < 0 || dno >= DRIFILEMAX) goto errexit;
storeDataName(gr, DRIFILE_DATA, dno, path);
} else if (0 == strncmp(key, "Resource", 8)) {
dno = key[8] - 'A';
if (dno < 0 || dno >= DRIFILEMAX) goto errexit;
storeDataName(gr, DRIFILE_RSC, dno, path);
} else if (0 == strncmp(key, "BGM", 3)) {
dno = key[3] - 'A';
if (dno < 0 || dno >= DRIFILEMAX) goto errexit;
storeDataName(gr, DRIFILE_BGM, dno, path);
} else if (0 == strncmp(key, "Save", 4)) {
dno = key[4] - 'A';
if (dno < 0 || dno >= DRIFILEMAX) goto errexit;
storeSaveName(gr, dno, path);
} else if (0 == strncmp(key, "Ain", 3)) {
gr->ain = strdup(path);
} else if (0 == strncmp(key, "WAIA", 4)) {
gr->wai = strdup(path);
} else if (0 == strncmp(key, "BGIA", 4)) {
gr->bgi = strdup(path);
} else if (0 == strncmp(key, "SACT01", 6)) {
gr->sact01 = strdup(path);
} else if (0 == strncmp(key, "Init", 4)) {
gr->init = strdup(path);
} else if (0 == strncmp(key, "ALK", 3)) {
dno = key[4] - '0';
if (dno < 0 || dno >= 10) goto errexit;
gr->alk[dno] = strdup(path);
} else if (0 == strncmp(key, "MsgSkip", 7)) {
gr->msgskip = strdup(path);
} else {
goto errexit;
}
}
gr->gr_fname = strdup(gr_fname);
return TRUE;
errexit:
SYSERROR("Illigal resource at line(%d) file<%s>", linecnt, gr_fname);
return FALSE;
}
boolean initGameResource(GameResource *gr, const char *gr_fname, const char *savedir) {
FILE *fp = fopen(gr_fname, "r");
if (fp) {
boolean result = initGameResourceFromFile(gr, fp, gr_fname);
fclose(fp);
return result;
}
DIR *dir = opendir(".");
if (dir) {
boolean result = initGameResourceFromDir(gr, dir, savedir, readdir);
closedir(dir);
return result;
}
SYSERROR("Game Resource File open failed");
return FALSE;
}
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